#include <stdio.h>
#include <limits.h>

int main(int argc, char *argv[])
{
    char ch;
    ch = 10;

    printf("sizeof(char) = %lu\n", sizeof(char));
    printf("sizeof(unsigned char) = %lu\n", sizeof(unsigned char));
    
    printf("char min: %d\n", SCHAR_MIN);
    printf("char max: %d\n", SCHAR_MAX);
    printf("unsigned char min: %d\n", 0);
    printf("unsigned char max: %d\n", UCHAR_MAX);

    printf("ch = %d %c\n", ch, ch);

    return 0;
}
